Technique for effectively maintaining a safe distance between a vehicle and an object

ABSTRACT

In a control and management system for automobiles, a central processor in the system connects traditionally unrelated vehicle subsystems together to realize synergistic functions such as smart driving, automatic parking, etc. A master interface having a display is employed in the system to help a user control and manage the vehicle functions.

This application is a division of application Ser. No. 08/904,855, filedon Aug. 1, 1997, now U.S. Pat. No. 6,275,231.

STATEMENT OF RELATED APPLICATIONS

The present application is related to copending, commonly assigned U.S.patent application Ser. No. 08/789,934, entitled “Multimedia Informationand Control System for Automobiles.”

FIELD OF THE INVENTION

The invention relates generally to control and management systems and,more particularly, to a system for use in an automobile whichfacilitates the user's control and management of various vehiclefunctions.

BACKGROUND OF THE INVENTION

The concept of an automated highway system (AHS) has been ferventlypursued. Although the interpretation of the AHS concept varies from oneperson to another, people implementing the concept are incorporatingmore and more technology into an automobile to improve its operations,better its safety measures, and add conveniences to the vehicle user.

A prevalent interpretation of the AHS concept is hands-free driving. Tothat end, magnets have been buried along an experimental automatedhighway, and automobiles have been equipped with magnetometers to sensethe magnets to guide the moving vehicles, thereby obviating manualsteering. In another approach, an automobile is equipped with a videosystem in which cameras monitor different segments of the road ahead andfeed images to on-board computers that control steering, accelerationand braking of the vehicle.

Although the above hands-free driving systems are at various stages ofdevelopment and will be made available to the public in years to come, aless comprehensive system known as an “adaptive cruise control system”will soon be publicly available. This system is capable of adjusting avehicle's speed to keep it moving with the flow of traffic.Specifically, it relies on radar or infrared sensors to measure thedistance to the vehicle just ahead. If the vehicle ahead speeds up orslows down, an onboard computer adjusts the throttle or brakes tomaintain a safe distance.

Although the ultimate AHS is in the works, it is believed that thebuilding blocks therefor are in place. These building blocks include thewell-known “drive-by-wire” system, TRAXXAR stability control system,global positioning satellite (GPS) navigation system, etc. Thedrive-by-wire system refers to a throttle system responsive toelectrical control signals to adjust the speed of a vehicle, and plays amajor role in the aforementioned adaptive cruise control system.

In the TRAXXAR system, sensors are used to measure the steering wheelposition, yaw rate and lateral acceleration of the vehicle. Thesesensors work with an onboard computer to controllably apply brakes atselected wheels to avoid potential skids.

In a well-known manner, the GPS navigation system receives signals froma constellation of satellites. In response to such signals, thenavigation system pinpoints the vehicle's location (in latitude andlongitude). It also detects the vehicle's speed and direction. Withgeographic information stored on an onboard computer, the navigationsystem is capable of verbally and visually communicating to the userinstructions for reaching the destination.

SUMMARY OF THE INVENTION

Today's automobiles are commonly equipped with an anti-lock brake system(ABS), a cruise control system, a climate control system, a compact disk(CD) player, a radio receiver, an audiovisual system, a restraintsystem, an air bag system, a cellular communication system, a car alarmsystem, and so on and so forth. The users are-overwhelmed and confusedwith a large number of knobs, switches and buttons used to control thediscrete functions of the individual systems. We have recognized that asmore and more systems are being incorporated into an automobile toimplement the AHS concept, the management of the systems will be moreunwieldy than ever.

The invention overcomes the prior art limitations by employing a masterinterface to manage system functions in a vehicle. In accordance withthe invention, a plurality of items are exhibited on a display in themaster interface. Each item represents a respective one of the systemsin the vehicle. The exhibited items are arranged on the display insubstantially the same relation to one another as the systemsrepresented thereby in the vehicle. At least one of the items can beselected using an indicator device (e.g., a mouse). The systemrepresented by the selected item can be operated to realize thefunctions associated therewith.

Accordingly, it is an object of the invention that the master interfacefor controlling the system functions is simple and well organized, asopposed to using the large number of knobs, switches and buttons tocontrol same as in the prior art.

It is another object of the invention that the master interfacecentralizes the system functions so that the user can focus on a singleinterface while driving, rather than being distracted by the largenumber of knobs, switches and buttons used in the prior art, which aredispersed throughout the vehicle.

It is yet another object of the invention that the access to the systemfunctions through the master interface is intuitive and direct so that auser who is not familiar with the vehicle can instantly learn to managesuch functions.

The master interface is connected to a central processor in accordancewith a system architecture wherein the central processor also connectstraditionally unrelated vehicle systems together. With such anarchitecture, the central processor can coordinate the actions of theconnected systems to realize synergistic functions such as smartdriving, automatic parking, etc.

BRIEF DESCRIPTION OF THE DRAWINGS

Further objects, features and advantages of the invention will becomeapparent from the following detailed description taken in conjunctionwith the accompanying drawing showing an illustrative embodiment of theinvention, in which:

FIG. 1 is a block diagram of a control and management system for use inan automobile in accordance with the invention;

FIG. 2 illustrates a master control interface in the system of FIG. 1;

FIG. 3 illustrates an automobile control subsystem in the system of FIG.1;

FIG. 4 illustrates a screen containing engine related options appearingon a display in the interface of FIG. 2;

FIG. 5 is a flow chart depicting the steps of a drivetrain routine inthe system of FIG. 1;

FIG. 6 illustrates a navigation screen on the display including weatherand traffic indicators in accordance with the invention;

FIG. 7 illustrates another screen on the display including weather andtraffic information in accordance with the invention;

FIG. 8 illustrates yet another screen on the display for automaticdriving in accordance with the invention;

FIG. 9 is a flow chart depicting the steps of an automatic parkingroutine in accordance with the invention;

FIG. 10 is a block diagram of an integrated circuit (IC) card forgaining access to a vehicle in accordance with the invention;

FIG. 11 is a block diagram of a transmitter for coupling to the IC cardof FIG. 10;

FIG. 12 illustrates multiple screens on the display when the interfaceof FIG. 2 is put in a split screen mode;

FIG. 13 is a display screen for adjusting windows and mirrors, andopening/closing doors of the vehicle in accordance with the invention;

FIG. 14, is a display screen for, among other things, adjusting wipersin the vehicle in accordance with the invention;

FIG. 15 is a display screen including a user's view of the vehicle forcontrolling and accessing information concerning different components inthe vehicle in accordance with the invention;

FIG. 16 is a display screen for adjusting seats and vents in the vehiclein accordance with the invention;

FIG. 17 is a block diagram of an accessory control subsystem in thesystem of FIG. 1; and

FIG. 18 is a display screen for adjusting audio and radio facilities inthe vehicle in accordance with the invention.

Throughout this disclosure, unless otherwise stated, like elements,components and sections in the figures are denoted by the same numerals.

DETAILED DESCRIPTION

The present invention is directed to a technique for effectivemanagement and control of vehicle functions in an automobile.Traditionally, an automobile incorporates a multiplicity of discretesystems such as a climate control system, an audio system, an anti-lockbrake system (ABS), a cruise control system, etc. These systems areindividually controlled and managed by their own user interfacesincluding knobs, switches, buttons, and displays. As the automobileindustry is fervently pursuing the automated highway system (AHS)concept, more and more systems are being added to the automobile. As aresult, the management of all these systems becomes more unwieldy thanever.

FIG. 1 illustrates control and management system 100 for use in anautomobile, which embodies the principles of the invention. Inaccordance with the invention, system 100 places the previouslyunrelated automobile subsystems under centralized control, therebycoordinating their functions synergistically and allowing data sharingamong the subsystems effectively. In addition, system 100 provides auser-friendly master control interface for the user to manage thesubsystems in an efficient manner. As shown in FIG. 1, central to system100 is processor 103 of conventional design. Processor 103 is connectedto non-volatile memory 107 and subsystem interface 111. The latter is anensemble of standard inputs/outputs (I/O's) connecting processor 103 tothe subsystems to be described. Processor 103 performs various tasks insystem 100 according to certain routines stored in memory 107. Forexample, through interface 111, processor 103 collects information fromthe subsystems for analysis, and transmits data and control signals tothe subsystems, thereby controlling the vehicle functions.

Interface 111 connects the aforementioned subsystems through common bus113, which include master control interface 117, automobile controlsubsystem 121, brake subsystem 125, traction control subsystem 127,suspension subsystem 129, detection subsystem 130, steering subsystem132, operation control subsystem 136, access control subsystem 139,accessory control subsystem 143, turn signal subsystem 147, speedometersubsystem 149, safety subsystem 151, clock subsystem 154, wheelsubsystem 157 and application module 161.

Referring also to FIG. 2, master control interface 117 in accordancewith the invention affords the user centralized control and managementof the vehicle functions interface 117 includes display 205, drivercontrol keys 211, operating keys 215, accessory keys 219, access keys232, and indicator devices 227 and 229. When a particular key or deviceis depressed or operated, the corresponding signal is generated byinterface 117 and interrupts processor 103 to inform the latter thedepression of the key or the operation of the device.

By way of example, display 205 is a liquid crystal display (LCD) locatedon a dashboard of the automobile. Display 205 includes a LCD driver (notshown) for processor 103 to control the display graphics. This driver isalso responsive to signals generated by indicator devices 227 and 229 toperform certain tasks to be described. In this illustrative embodiment,both devices 227 and 229 are each a mouse device which may be wireless,and can be used to point and click at displayed options on display 205and to scroll various menus or screens. However, it will be appreciatedthat devices 227 and 229 may be joysticks, light pens, trackballs,touchpad, or a combination thereof, instead.

Display 205 also incorporates well-known touch-screen circuitry (notshown). With this circuitry, the user can interact with processor 103by, say, touching a displayed option on display 205. Through interface117, processor 103 receives from the touch screen circuitry a signalidentifying the location on display 205 where it has been touched. Ifsuch a location matches the predetermined location of one of thedisplayed options, processor 103 determines that the option has beenselected. With such touch-screen and displayed option selectioncapabilities, the user is able to obtain information on and controlselectable functions of the automobile.

Automobile control keys 211 relate to the functions provided byautomobile control subsystem 121. Subsystem 121 monitors many aspects ofthe vehicle operation including the exhaust temperature, fuel flow,engine temperature, ignition timing, individual cylinder operations,heat exchange, etc.

When ENGINE CONTROLS key 211 a is depressed, processor 103 is promptedto collect information from, among others, engine control system 319 (inFIG. 3) within subsystem 121. Processor 103 thereafter causes the screenof FIG. 4 to be displayed on display 205. FIG. 4 illustratively includes“ENGINE RESOURCES”, “ENGINE CAPABILITIES”, “ENGINE SYSTEMS”, and “ENGINELOADS” categories relating to the engine controls of the vehicle. Undereach category, the user may use indicator device 227 or 229 to point andclick at various engine related options to select same. Alternatively,utilizing the touch-screen capability, the user may touch the options onthe screen with his/her finger to achieve the selection. The selectedoptions are highlighted in a first color, and the readings and/orstatuses corresponding thereto are shown in the respective blanksfollowing the items.

For example, when OIL LEVEL option 371 is selected, the amount of oil inthe engine is indicated, i.e., whether the current level of engine oilis high, medium or low. By selecting PERFORMANCE MODES option 373, theuser learns whether the engine is in an aggressive mode or a fueleconomy mode. The aggressive mode offers a high power output and shouldbe used when sudden accelerations and decelerations (e.g., passing othervehicles) are anticipated. Otherwise, the fuel economy mode isrecommended. When one of the two modes is indicated on line 375, theline is highlighted in a second color, indicating that anotherperformance mode option is available for selection. In this instance,when the user points and clicks at line 375, the other performance modeoption is displayed. The user may then point and click at such otheroption to change the performance mode.

In accordance with an aspect of the invention, subscreen 377 is used tographically depict the engine compartment of the vehicle. By way ofexample, displayed items 381 through 389 in subscreen 377 depict theradiator, battery, fuse box, air cleaner, brake fluid reservoir,transmission fluid reservoir, windshield washer reservoir, oilcompartment and engine block in the engine compartment, respectively. Itshould be pointed out that the relative positions of these displayeditems correspond to those of the depicted components in the actualengine compartment. Knowing the relative positions of the componentsunder the hood of the vehicle, the user can easily identify and pointand click at selected items to quickly access information concerning thecorresponding components. For example, when displayed item 381 depictingthe radiator is selected, options 391 and 392 relating to the radiatorare highlighted, and the readings of the current coolant temperature andcoolant level are shown in the respective blanks. When displayed item388 depicting the oil compartment is selected, options 393, 371 and 394relating to the oil compartment are highlighted, and the readings of thecurrent oil pressure, oil level and oil temperature are shown in therespective blanks.

As shown in FIG. 3, subsystem 121 also includes electronictransmission/throttle system 325, which operates under the control ofprocessor 103 in accordance with certain drivetrain routines. Theprogram instructions defining these routines are stored in memory 107 inthis instance. Alternatively, they may be stored in a memory, (notshown) in subsystem 121.

Instructed by one of the drivetrain routines, which is denoted 400 inFIG. 5, processor 103 detects whether the user has selected atransmission gear different from the currently engaged gear, asindicated at step 403. The gear selection is achieved by depressingDRIVETRAIN key 211 b, followed by operating indicator device 227 or 229.For example, after depressing key. 211 b and moving device 227 forward(backward) causes processor 103 to initiate a signal to system 325 toselect a forward (reverse) gear.

If the user has selected a different gear at step 403, routine 400proceeds to step 405 where processor 103 determines whether the selectedgear is opposite the automobile's moving direction. If the selected gearis a reverse (forward) gear, and the automobile is moving forward(backward), processor 103 overrules the user's selection, as indicatedat step 407. Routine 400 then returns to step 403. Otherwise if theselected gear and the moving automobile direction are both forward orreverse, routine 400 proceeds to step 408 where processor 103 causesbrake subsystem 125 to apply the brakes of the vehicle, and thereafterto step 409 where it causes system 325 to engage the selected gear.Routine 400 proceeds from step 409 to step 417 to be described.

If at step 403 processor 103 does not detect any gear change by theuser, it causes system 325 to enter an automatic transmission mode inwhich system 325 automatically shifts the gears in a well-known manner,as indicated at step 413. Routine 400 then proceeds to step 417 whereprocessor 103 coordinates the operation of system 325 with that oftraction control subsystem 127, which may be of the type of the TRAXXARstability control system, .to prevent skids. At step 421, processor 103,coordinates the operation of system 325 with that of suspensionsubsystem 129 including shock absorbers to afford a smooth, comfortableand safe ride. From step 421, routine 400 returns to step 403 describedabove.

Another drivetrain routine causes system 325 to perform gear shifting incooperation with other subsystems such as detection subsystem 130 andbrake subsystem 125 to handle certain road conditions. Detectionsubsystem 130 includes radar, sonar, infrared sensors, Doppler radar,magnetometers and/or other object finder mechanisms, and is used for,among other things, monitoring the road condition ahead. For example,when an upcoming curve is detected, system 325 handles the transmissionaccordingly while the brakes are controllably applied by brake subsystem125 to avoid any skid.

It should be noted at this point that suspension subsystem 129 alsoincludes a height actuator, whereby processor 103 can controllablyadjust the height of the vehicle. Thus, continuing the above example,when detection system 130 detects the upcoming curve, processor 103 mayalso cause the vehicle height to be lowered to increase its stability.In another instance, when detection system 103 detects a raised roadsurface ahead, processor 103 causes the height of the vehicle to beincreased to clear the elevation, thus avoiding scraping the bottom ofthe vehicle.

Navigation system 329 in FIG. 3 provides onboard and/or on-linenavigation capability. In a well-known manner, system 329 receivessignals from a constellation of satellites which is part of the globalpositioning system (GPS). In response to these signals, system 329pinpoints the automobile's location in latitude and longitude. Inaddition, system 329 receives the vehicle directional and speedinformation from a compass subsystem (not shown) and an accelerometer(not shown), respectively.

Specifically, the user depresses NAVIGATE key 211 c to requestinstructions for a given destination from navigation system 329. Whenthe depression of key 211 c is detected by processor 103, the user iselicited for information concerning the destination, any intermediatestops, etc. Such elicitation is realized by posing questions on display205 and/or by uttering those questions using a synthesized voice throughan audio output. The user then provides verbal responses thereto throughan audio input. Relying on standard speech recognition circuitry insystem 100, navigation system 329 recognizes and registers theresponses. Using stored map information, system 329 then provides ondisplay 205 a suggested route leading to the destination. Furthermore,based on the knowledge of the vehicle's instantaneous speeds anddirections, system 329 is capable of verbally and visually directing theuser to the destination.

Because of the limited capacity of the storage for the map informationor because the map information needs to be updated from time to time, itwill be appreciated that system 329 would instead obtain the necessary,latest map information from an on-line service through a cellular orwireless connection.

In addition to directing the user to a given destination, system 329through processor 103 cooperates with weather system 332 and trafficsystem 336 to be described. In accordance with an aspect of theinvention, systems 332 and 336 jointly provide on display 205 updatesregarding traffic congestion, weather conditions, hazards, highwaywarnings along the route suggested by system 329.

FIG. 6 illustrates one such navigation screen on display 205. On thisscreen, indicator 450 marks the current position of the vehicle. Thesuggested route (shown in boldface) by navigation system 329 isnumerically denoted 453. Traffic indicator 455 is provided by system 336to indicate where traffic congestion is on route 453. Similarly, weatherindicators 457, 459 and 461 are provided by system 332 to indicate thecloudy, rainy and foggy conditions, respectively, at different pointsalong route 453. It will be appreciated that these traffic and weatherindicators may be colored and/or flashing to attract the user'sattention.

Weather system 332 derives weather conditions from computer filesobtained from an on-line service through a cellular or wirelessconnection. In an alternative embodiment, system 332 may include suchwell-known avionics as weather radar and lightning strike finders todetect weather conditions. By depressing WEATHER key 211 d, the user isprovided on display 205 with a map centered at a reference pointindicative of the vehicle location. As to be described, system 100 runsa windows based operating system. With such an operating system, theuser may operate indicator device 227 or 229 to point and click at aselected point on the map, and drag same to create a window surroundinga desired location, which may or may not include the vehicle location.Processor 103 causes system 332 to retrieve the relevant computerweather files, and derives therefrom the weather information regardingthe area defined by the window.

FIG. 7 illustrates one such window which is created on display 205 andwhich surrounds the Los Angeles area. In this instance, the vehiclelocation is numerically denoted 481. As shown in FIG. 7, temperatures(denoted 483 and 485 for example) are indicated in parts of the subjectarea corresponding thereto. In addition, among others, weatherindicators 487, 489, 491, 493 and 495 respectively indicate the rainy,cloudy, sunny and foggy conditions and storm warnings in thecorresponding parts of the area. Moreover, weather center 496 andsurface observation center 497 are indicated. The user may point andclick at the respective centers to obtain the corresponding reports onweather and surface observation of the local area. These reports aregenerated on display 205 in text and/or read to the user through theaudio output of system 100.

By default, system 332 provides the current weather information ondisplay 205. Otherwise if the user specifies a time, system 332 providesthe user with a weather forecast if the specified time is in the future,and weather history if it is in the past. With such future, currentand/or past, short and/or long range weather information, the user caneffectively plan his/her trip, and avoid unfavorable weather conditions.

Using the weather information from system 332i processor 103 issues ondisplay 205 travel advisories such as requesting the user to check tirepressures after a drastic temperature change. In addition, processor 103may cause a release of heat to warm the car battery to boost itsstarting power in cold weather, cause additional venting of engine heatin hot weather, and ensure closing of windows and doors in inclementweather.

It will be appreciated that weather system 332 may also be capable ofobtaining weather information from such systems as the United Statessatellite systems, Delta radar, local area radar, etc. In addition,system 332 may be capable of gathering further information includingUnited States current surface maps, wind chill maps, jet stream maps,winter travel hazards, forecast highs/lows, tropical weather, surfacewind maps, grain and farm weather maps, etc.

Traffic system 336 will now be described. Similar to weather system 332,system 336 is capable of obtaining computerized traffic information froman on-line service through a cellular or wireless connection. In analternative embodiment, system 336 may include such well-knownelectronics as a line-of-sight radar, forward infrared radar, and/orDoppler radar, each with terrain following capabilities, to sensesurrounding traffic conditions.

By depressing TRAFFIC key 211 e, the user is similarly provided ondisplay 205 with a map centered at a reference point indicative of thevehicle location. The user may then operate indicator device 227 or 229to point and click at a selected point on the map, and drag same tocreate a window surrounding a desired location, which may or may notinclude the vehicle location. In response, processor 103 causes trafficsystem 336 to obtain the relevant traffic information regarding the areadefined by the window. In accordance with another aspect of theinvention, the traffic information may be overlaid on an existing window(e.g., a window previously created for obtaining weather information) bypressing TRAFFIC key 211 e.

Referring again to FIG. 7, the illustrative weather window includesoverlaid traffic information in this instance. For example, trafficindicator 498 indicates traffic congestion near “Anaheim” inside thewindow. In addition, by pointing and clicking at traffic center 499, theuser may obtain a traffic report in text and/or voice concerning thelocal traffic. After learning the traffic situations in the area ofinterest, the user can effectively plan his/her route to avoid potentialtraffic congestion or hazards.

In addition, traffic system 211 e is capable of storing and recallingtraffic maps and sending same to third parties using a cellular orwireless connection.

The aforementioned detection subsystem 130 also helps provide anadaptive cruise control capability. Specifically, subsystem 130 measuresthe distance to the vehicle just ahead. With electronictransmission/throttle system 325 and brake subsystem 125, processor 103adjusts the vehicle's speed to keep it moving with the traffic flow. Ifthe vehicle ahead speeds up or slows down, subsystem 130 signalsprocessor 103 to accordingly adjust the throttle or brakes to maintain asafe distance.

When SMART DRIVING key 211 f is depressed, processor 103 causes a menuto be displayed-on display 205. This menu includes selectable items suchas automatic driving and automatic parking. If automatic driving isselected, upon detecting by detection subsystem 130 an automatedhighway, processor 103 graphically depicts on display 205 the highwaysegment. Illustratively, processor 103 causes the screen of FIG. 8 to bedisplayed.

In FIG. 8, indicators 503, 507, 509 and 511 demarcate the highway laneincorporating AHS technology which the subject vehicle (denoted 513) isin. In this instance, these indicators mark the locations of magnetsburied in the AHS highway lane, which are detected by the magnetometerin subsystem 130. Steering subsystem 132 relies on the detection of themagnets which are separated in predetermined intervals on both sides ofthe lane to properly steer subject vehicle 513, thereby realizingautomatic driving. In accordance with an aspect of the invention,processor 103 keeps track of the occurrences of the magnets in the AHShighway lane. If for any reason the magnets are missing or undetectedfor a predetermined number of intervals in a row, which may adverselyaffect the proper steering of the vehicle, processor 103 causes awarning to come on the display. If the user in response to such awarning redirects arrow 516 which is aligned with the AHS lane to pointtoward, say, the left lane, which is a non-AHS lane, processor 103 isinterrupted to terminate the automatic driving. A textual message 517immediately comes on to confirm the termination of the automaticdriving. With such a confirmation, processor 103, among other things,causes turn signal subsystem 147 to be described to activate the leftturn signal. The user may then manually steer the vehicle into the leftlane.

In accordance with another aspect of the invention, the user may definecomfort zone 528 surrounding subject vehicle 513, in which any of leftvehicle/object 521, right vehicle/object 523, front vehicle/object 525,and rear vehicle/object 527 is not allowed. Comfort zone 528 may berealized by using indicator device 227 or 229 to point at indicators 529a, 529 b, 529 c and 529 d individually, and dragging same away fromsubject vehicle 513. Alternatively, the user may select CLEARANCEoptions appearing in the respective boxes representing thevehicles/objects to define the comfort zone. The selection of one suchoption is followed by a prompt for the desired minimum distance from thecorresponding vehicle/object, if any.

Processor 103 is programmed to control the steering, throttle and brakesof the vehicle in an attempt to keep any surrounding vehicles/objectsoutside comfort zone 528. If any such vehicle/object unavoidably comeswithin zone 528, processor 103 would issue on display 205 a warning ofthe zone violation, provided that COMFORT ZONE warning option 531 hasbeen selected. A reference zone is defined by the vehicle manufacturerto be the minimal space surrounding the subject vehicle to avoidcollisions with a good confidence, taking into account the instantaneousspeed of the subject vehicle relative to the surroundingvehicles/objects. By design, comfort zone 520 cannot be made smallerthan the reference zone. Selection of REFERENCE ZONE option 533 enablesthe user to set comfort zone 520 to be the same as the reference zone.In any event, no matter how large comfort zone 520 is, anyvehicle/object coming within the reference zone automatically causesissuance of a collision alarm. In response to such an alarm, the usertakes emergency measures to avoid any collision.

Subsystem 130 in this instance detects not only the vehicle/object aheadas in the adaptive cruise control case, but also any other surroundingvehicles/objects. Subsystem 130 periodically communicates to processor103 data concerning the speeds and the coordinates of any surroundingvehicles/objects, relative to the subject vehicle, to realize the abovecomfort zone and reference zone protections. If the user selects SHOWTRAFFIC option 535, processor 103 causes display 205 to show the currentpositions of any actual surrounding vehicles/objects, relative to thesubject vehicle. With such visual information, the user is fully awareof his/her driving environment, thus improving the user's safetyespecially in night driving.

As mentioned before, the user can also select automatic parking of thevehicle from the above menu invoked by depression of SMART DRIVING key211 f. If the automatic parking option is selected, after the vehiclecomes to a complete stop, automatic parking routine 500 stored in memory107 is invoked. When instructed by this routine, which is depicted inFIG. 9, processor 103 causes display 205 to show thereon the positionsof the surrounding objects relative to the subject vehicle, as indicatedat step 543.

At this point, the user may touch the screen of display 205 to define aparking space into which the vehicle is to be parked. In order to carryout parallel parking effectively, this parking space needs to bereasonably suitable for the vehicle to be maneuvered into. Processor 103at step 547 computes the coordinates defining the selected parkingspace. Knowing the respective coordinates of the subject vehicle, thesurrounding objects and the parking space, processor 103 at step 551determines the instant's at which and extents to which the vehicle is tobe accelerated and decelerated in the course of the parking, and at step553 the instants at which and extents to which the steering wheel is tobe turned and returned. At step 555, processor 103 causes a computersimulation to be performed using the speed and steering parameters justdetermined to verify that the automatic parking is feasible, withoutrunning into any surrounding objects. At that point, the user maydepress ANIMATION key 219 j to view on display 205 the simulation inwhich the subject vehicle moves into the user defined parking space inan animated fashion. At step 559 processor 103 determines whether thevehicle can be properly parked under the above conditions. If processor103 determines that the automatic parking is unrealizable, processor 103informs the user of same, as indicated at step 563. In response, theuser needs to select another parking space or may attempt to park thevehicle manually.

Otherwise if processor 103 determines that the automatic parking isrealizable, processor 103 sends an audio and video message to requestthe user to get off the vehicle before the automatic parking is engaged,as indicated at step 567. In the preferred embodiment, the user isprovided with a transmitter (e.g., transmitter 700 to be described) forremotely signaling to processor 103 to carry out the actual parkingafter the user leaves the vehicle. When it is so signaled, processor 103at step 571 coordinates the actions of electronic transmission/throttlesystem 325, brake subsystem 125 and steering subsystem 132 to realizethe automatic parking according to the devised scheme. During theautomatic parking, for any reason, the user may also use theaforementioned transmitter to signal processor 103 to abort the parking.In addition, processor 103 may cause a predetermined audible signal tobe emitted to alert surrounding people while the vehicle is beingparked.

In addition, the automatic parking may also be achievable by trainingthe vehicle. For example, let's say the user often parks his/her vehiclein a particular garage. In that case, processor 103 may be set in atraining mode in which as the user maneuvers and moves the vehicle froma predetermined location outside the garage to a designated parkingspace in the garage, processor 103 registers the coordinated operationsby the user of the systems involved. Thus, with the training, each timewhen the vehicle is placed at the predetermined location and put in anautomatic parking mode, processor 103 repeats the system operations, asregistered, and accordingly parks the vehicle in the designated parkingspace.

Conversely, processor 103 can be programmed to perform the inversefunction to the above automatic parking, i.e., to direct the vehicle outof a parking space.

When emergency key 211 g is depressed, processor 103 causes emergencyoptions to be displayed on display 205. These options may includepolice-type emergencies, medical emergencies, mechanical problems, panicmeasures, etc. For example, upon selection of the police-typeemergencies option, the user may be queried whether he/she is a victim.If the user responds affirmatively, processor 103 immediatelyestablishes a phone or modem connection with a police authority toautomatically furnish such preliminary information as the identity ofthe user, description of the vehicle and emergency contacts, which arepre-recorded, along with the current location of the vehicle identifiedby navigation system 329. If possible, the user may also add, in thecommunication, the nature of the emergency and current statuses of theuser and any passengers. By automatically communicating at least thepreliminary information to the proper authority in case of an emergency,the user can be instantly reached and helped.

System 100 also includes a panic alarm, audiovisual recording facilitiesto audio- and video-tape potential crime scenes for later review whenthe user selects the panic measures option. In addition, system 100 mayinclude broadcasting capabilities to disseminate alarm signals (e.g., acar fire alarm) via citizen's band (CB) for example.

Security system 343 in FIG. 3 works closely with access controlsubsystem 139 to afford controlled access to the vehicle's doors,windows, trunk, hood, accessories, system software, etc. In thisillustrative embodiment, the holder of a master key to security system343, who is mostly likely the vehicle owner, is able to assign securitylevels and/or access codes to other authorized users to implement thecontrolled access. This master key may be in the form of a special codeinitially provided by the vehicle manufacturer.

For example, using system 343, the master key holder assigns to eachauthorized user a respective personal identification number (PIN), alongwith a clearance level. When a person attempts to, say, adjust anaccessory, which is pre-assigned with a selected security level,processor 103 elicits from the user his/her PIN through display 205 or asimilar interface. In response, the person may enter a PIN by touchingthe appropriate keys on a displayed keypad. Upon receiving the PINentry, processor 103 checks with system 343 whether the PIN is valid.Verification of the PIN ensures that the person is an authorized user.If the PIN is valid, processor 103 then compares the clearance levelassociated with the PIN with the security level of the accessory inquestion. Only when the clearance level is higher than the securitylevel, would the authorized user be allowed to adjust the accessory.

The above security measures may also be used to arm and unarm anti-theftcapabilities in the vehicle, which may be based on infrared, sonar orother similar surveillance technology. In addition, selected individualitems in the vehicle are digitally encoded so that they would not befunctional if someone removes and attempts to re-install them withoutproper codes.

Moreover, in this illustrative embodiment, security system 343 includesa receiver for receiving an RF signal containing security and personalpreference data. Before gaining access to the subject vehicle, a userneeds to furnish at least the security data for verification. If thesecurity data is valid, processor 103 causes system 343 to unlock thedoors and unarm the anti-theft capabilities of the vehicle. To that end,each authorized user is provided with an access card (analogous to adriver's permit) in the form of a standard integrated circuit (IC) card(also known as a “Smart Card”). FIG. 10 illustrates one such IC card,denoted 600. Security data including a user PIN and control informationis stored in memory 603 in card 600. This security data may be encryptedin accordance with a well-known encryption algorithm such as an RSA or adigital encryption standard (DES) algorithm.

The aforementioned control information includes an access codeindicative of the extent to which a user is allowed to control thevehicle functions and/or access its hardware and software. Depending onthe access code, the user may be accorded full operating privilege, orone of the more restricted operating privileges respectively designedfor family members, mechanics, police officers, etc.

In addition to the aforementioned security data, personal preferencedata may also be stored in memory 603. The personal preference datacontains information regarding the user preferred settings of the doors,locks, windows, engine, performance profiles, climate control, audiosystem and other vehicle functions.

FIG. 11 illustrates transmitter 700 into which card 600 can be inserted.Specifically, transmitter 700 includes transmitter interface 703 forreceiving card interface 607. Interfaces 703 and 607 are electricallycompatible with each other, and may be in accordance with the PCMCIAinterface standard. Before entering the subject vehicle, the user needsto couple interface 607 to interface 703. To gain entry to the vehicle,the user needs to depress a START button in operating portion 707 of thetransmitter to initiate an RF signal directed to the receiver of system343. It should be noted at this point that a PARK button is alsoprovided in portion 707 for initiating automatic parking describedbefore.

Upon detecting a depression of the START button, data processor 709communicates with card processor 611 to have a copy of theabove-described security data and personal preference data in memory 603transferred to transmitter 700. Data processor 709 formats the receiveddata pursuant to a predetermined protocol, and causes signal generator711 to transmit the RF signal, whose waveform is modulated by theformatted data.

After the receiver of system 343 receives the transmitted signal, itrecovers therefrom the security data and personal preference data.Processor 103 then performs a security check based on the receivedsecurity data. If it determines that the user is not an authorized user,he/she would be denied access to the vehicle. Otherwise, processor 103causes the driver door of the vehicle to be unlocked, and accords theproper operating privilege. In addition, processor 13 stores thereceived personal preference data in memory 107. Based on such receiveddata, processor 103 effects the preferred vehicle settings topersonalize the vehicle functions.

It will be appreciated that, instead of an IC memory, the aforementionedsecurity and personal preference data may be stored in a magnetic mediumsuch as a standard magnetic stripe, or in the form of a one-dimensionalor two dimensional bar-code on a card. In the case where the barcode isused, security system 343 may incorporate a conventional bar-codescanner for reading the encoded data. In addition, the stored data neednot be transmitted via an RF medium. It may well be transmitted via alaser, infrared or any other medium, or through a telephone network, aprivate network, a cellular network, the Internet or any other network,as long as the vehicle is equipped with the appropriate data receiver.

Depression of LIGHTS key 211 i in FIG. 2 invokes on display 205displayed options including, for example, all lights on/off, runninglights on/off and flashers on/off. For each option, the user may furtherselect the light operation durations, and set weather, hazardous,ambient light conditions under which the light would be automaticallyturned on.

Depression of WARNINGS key 211 j prompts processor 103 to display ondisplay 205 predetermined advisories and cautions on operating thevehicle, such as the advisory “adjusting seat while driving could resultin loss of vehicle control.”

Upon a start-up of system 100, periodically or when DIAGNOSTICS key 211k is depressed, processor 103 polls each system therein for a self-testresult. The system, when polled, performs an active self-test andreports the test results to diagnostic system 349. The latter analyzesthe results, and communicates any exceptions to processor 103. Processor103 causes display 205 to display a clear status for those systemshaving no identifiable problem, and to graphically indicate thelocations of identified irregularities for the other systems, along withmessages describing the irregularities. Some irregularities may causeprocessor 103 to restrict certain vehicle operations until a correctiveaction therefor is taken.

The exception data received by processor 103 is stored in memory 107.Alternatively, they may be stored in a secure storage such as a “blackbox” which would survive an accident involving the subject vehicle. Inthe event of an accident, the exception data would be retrievable fordetermination of any mechanical cause for the accident.

Key 211 l is currently unused. However, in accordance with an aspect ofthe invention, key 211 l can be programmed to replace any function keyin system 100 and its associated function. For that matter, as aprovision for the user preferences, system 100 allows the user tore-program or re-designate each function key in system 100 to realizehis/her preferred key arrangement. The re-designation is effected by theuser's stepping through a menu-driven program, and registered byprocessor 103 as one of that user's preferences.

Depression of DEMO key 211 m allows the user to access a self-guideddemonstration provided by demonstration system 353. When the vehicle isin a showroom before its sale, the demonstration comprises a multimediapresentation on display 205, providing sales-type information includinginformation on each feature and aspect of the vehicle, and functionsafforded by master control interface 117. After the sale of the vehicle,the demonstration may include pre-recorded video programs for showing ondisplay 205 operating procedures to realize different vehicle functions.In particular, such video programs demonstrate step-by-step operationsof interface 117 to implement such functions as smart driving, obtainingweather and traffic information, etc. Thus, with this demonstrationcapability, a user who is not familiar with the subject vehicle caninstantly learn to manage the various vehicle functions.

In accordance with another aspect of the invention, demonstration system353 may be put in a rehearsal mode in which a prospective vehicle usercan be trained and tested for his/her dexterity and familiarity with thevehicle functions. In such a rehearsal mode, traffic situations andvehicle conditions are simulated on display 205. At the same time, theprospective user is required to operate master control interface 117 toproperly handle each given scenario. Only after satisfying the operatingrequirements, may the prospective user be granted the aforementionedaccess card (or “driver's permit”) according the appropriate operatingprivilege.

Depression of RESET key 211 n allows the user to reset/restart selectedsystems in system 100 for reasons of malfunction or nonperformance. Thereset is accomplished by reset system 357, and can also be selected bydepressing MENU key 219 c or INDEX key 219 g to be described. When asystem is reset, power to the system is temporarily cut off. Afterregaining power, the reset system runs a restarting routine, and eitherresumes normal operation or identifies any problems to processor 103. Inthe latter case, processor 103 posts necessary messages to alert theuser of the reported problems.

Operating keys 215 relate to the functions provided by operation controlsubsystem 136. With SHIFT key 215 a, each other key on interface 117corresponds to two functions depending on whether the key is depressedtogether with SHIFT 215 a.

Depression of ENTER key 215 b allows the user to initiate an action. Ifno action is required, depression of key 215 b causes generation of awarning tone.

Depression of ZOOM(+) key 215 c allows the user to obtain informationnot presently displayed, thereby providing other related subjects suchas owner's manual material, tips, warnings, cautions, etc.

Depression of ZOOM AWAY(−) 215 d effects the inverse function todepression of key 215 c. That is, it allows the user to leave a relatedsubject to continue with the original subject.

Depression of SET-UP key 215 e allows the user to set parameters insystem 100, which affect the functions of master control interface 117,selected aspects of the vehicle, priority of menu selections, access byother users to the hardware and software of the vehicle, etc. Tofacilitate setting of new parameters, after key 215 e is depressed,operation control subsystem 136 causes display 205 to show thereoninformation about installed features, accessories, options, originalequipment, dealer installed equipment, after marketinstallations/removals, etc. In addition, information about thevehicle's capabilities, safety features, legal requirements, equipmentinstallers, repair facilities, maintenance records, software revisionsand updates, etc., which is stored in subsystem 136, may be accessed andreviewed using the set-up function as well.

In this illustrative embodiment, a windows based operating system of thetype of the MICROSOFT WINDOWS operating system is installed on system100. Specifically, a copy of the operating system software is stored inmemory 107. Utilizing such an operating system, processor 103 can beprogrammed to control display 205 to provide organized data presentationthrough one or more windows.

By depressing SPLIT SCREEN key 215 f, followed by clicking and draggingindicator device 227 or 229, multiple windows can be created on display205. Advantageously, with multiple windows, certain actions can beeffectively coordinated and cross-checked. For example, a vehiclefunction may be monitored in a first window while it is modified viamenu selection in a second window. As a result, the modification can beimmediately observed in the first window. Thus, with multiple windows,various menus and vehicle functions can be simultaneously accessed andmonitored.

FIG. 12 illustrates multiple windows numerically denoted 801, 803 and805, respectively, created on display 205 using the SPLIT SCREENcapability. As shown in FIG. 12, the user may utilize window 753 torealize the navigation function provided by navigation system 329. Atthe same time, windows 755 and 757 respectively provide first and secondmenus for the user's selection.

Depression of RELEASE key 215 g at a particular screen effects the“enter” function, followed by an immediate return to a predeterminedscreen such as the main menu or “home” screen. Thus, unlike key 215 d,depression of key 215 g does not provide an incremental return to aprevious screen, but an instant return to the home screen.

BRIGHTNESS key 215 h comprises a standard variable resistor such thatwhen it is pushed one way (the other way), the intensity of display 205is increased (decreased). Utilizing the proper intensity, the user canreadily view display 205 under different ambient light conditions (e.g.,night time, excess glare, bright sun, etc.).

Access keys 232 relate to functions provided by access control subsystem139 in FIG. 1. Depression of WINDOWS key 232 a invokes the screen ofFIG. 13 on display 205. As shown in FIG. 13, triangles 810, 812, 814 and816 correspond to the driver side front window, driver side rear window,passenger side front window and passenger side rear window,respectively. Indicators 821, 823, 825 and 827 on the hypotenuses of therespective triangles indicate the extents to which the correspondingwindows are open. The user may touch the indicator on the screen toraise (or lower) it along the hypotenuse. In response, processor 103causes access control subsystem 139 to close (or open) the windowaccordingly. Alternatively, the user may operate indicator device 227 or229 to point at one of the indicators and drag same along the hypotenuseto control the corresponding window opening.

In addition, a SMART WINDOWS function on sub-screen 840 may be selectedby touching ON option 842 on the screen or pointing and clicking atsame. With the SMART WINDOWS function selected, for example, subsystem139 causes the windows to be completely-closed upon a shut-off of theengine or an activation of air conditioning. When coupled with a SMARTCLIMATE function to be described, the SMART WINDOWS function includesslightly opening selected windows to vent out excess heat prior to theuser's arrival, thereby pre-conditioning the vehicle. In addition, whenan AUTO function on sub-screen 840 is selected, the user can specify thevehicle speed at which the driver side front window is made completelyopen or closed. By touching on the screen, or pointing and clicking atblank 845 or blank 850, choices of speed are listed beneath the blank.For example, by selecting a zero speed for blank 845 ahead of a tollplaza, the window in question would be completely opened when thevehicle stops at a toll booth, thereby conveniently allowing the user topay tolls.

The screen of FIG. 13 may also be invoked by depressing DOORS key 232 b.Flaps 851, 853, 855 and 857 in FIG. 13 correspond to the driver sidefront door, driver side rear door, passenger side front door andpassenger side rear door, respectively. By touching one of the flaps onthe screen with a finger or pointing and clicking at the flap withindicator 227 or 229, subsystem 139 including a door actuatorcontrollably closes the corresponding door if it is previously open, andvice versa.

Subsystem 139 also includes door sensors to detect any obstacle in theway of closing or opening each door. Upon detection of any suchobstacle, subsystem 139 immediately suspends the door movement until theobstacle is removed. In this instance, both the front doors are notfully open because of detected obstacles. This fact is indicated bylines 871 and 873 marking the extents to which the respective doors areopen and closed. On the other hand, both the rear doors in this instanceare fully open as the corresponding lines 875 and 877 have moved all theway toward the center.

It should be apparent by now that the above door control may also beeffectuated by voice command. For that matter, the locking of theindividual doors after they are closed, or activation of the child locksystem may also be realized by voice command.

Depression of MIRRORS key 232 c again invokes the screen of FIG. 13.Indicators 891, 893 and 895 correspond to the left rear-view mirror,center rear-view mirror and right rear-view mirror, respectively. Theuser may operate indicator device 227 or 229 to point at one of theindicators and drag same (or utilize the touch-screen capability) toleft or right to tilt the corresponding mirror toward left or rightaccordingly.

Subsystem 139 also includes mirror heaters, sensors and actuators. Basedon the above personal preference data, subsystem 139 causes the mirrorheaters to defrost the mirrors under certain specified temperature andweather conditions. Upon the sensors' detecting a tight parking-spacefor example, subsystem 139 causes the actuators to fold back one or bothexternal mirrors to avoid damages. In addition, processor 103coordinates the action of electronic transmission/throttle system 325with that of the mirror actuators such that when the gear is put inreverse, the actuators automatically adjust the mirrors to provide agood rear view while the vehicle is backing up.

It will be appreciated that subsystem 139 may also incorporate mirrorenhancement techniques for self-dimming the mirrors or adjusting theirclarity, density, opacity, reflectivity, color, zooming, etc. based onspecified light conditions.

It should be noted at this point that as long as the screen of FIG. 13is showing on display 205, the user can conveniently adjust the windows,doors and/or mirrors at the same time, without the need of depressingthe corresponding access keys to invoke the screen repeatedly.

Depression of WIPERS key 232 d invokes the screen of FIG. 14. Subsystem139 further comprises wipers, wiper actuators and a windshield debrisdetection system. The latter includes sensors which are attached to thewindshield of the vehicle to determine the intensity of a vibration ofthe windshield. They also determine the frequency of the vibration whoseintensity is above a predetermined threshold. This threshold accountsfor the intensity of the normal windshield vibration of a movingvehicle. When SMART WIPE option 903 on the screen of FIG. 14 isselected, processor 103 causes the wiper actuators to operate the wipersin response to a vibration of above-normal intensity caused by rain,snow, insects, hail, and such falling on the windshield. The detectionof such a vibration is communicated by the windshield debris detectionsystem to processor 103, along with the information concerning thefrequency of the vibration. Accordingly, processor 103 varies the rateof windshield sweeping with the communicated frequency. Thus, forexample, in the SMART WIPE mode, the windshield wiping rate is adjustedlower when the vehicle stops in the rain, versus the vehicle runningagainst the rain (i.e., rain drops falling on the windshield at a higherfrequency).

Other wiper controls are also available on the screen of FIG. 14. Forexample, selection of SINGLE WIPE option 907 causes the wipers to sweeponce across the windshield. Selection of CLEAN WINDOW option 909 causesspraying of cleaning liquid onto the windshield, followed apredetermined number of wipes. In addition, the speed of the wipers canbe specified by selecting SECONDS option 911. After option 911 isselected, the user can point and click at blank 913 to select one of thedisplayed numbers, thereby specifying the wiper speed in terms of onceso many seconds. Thus, option 911 is convenient for the user toimplement intermittent wiping. To specify the speed of continuouswiping, the user may select SPEED option 915. After such an option isselected, the user can point and click at blank 913 to select one of thedisplayed speed levels ranging from slow to fast.

Depression of TRUNK STORAGE key 232 e provides controlled access to thetrunk/storage of the subject vehicle. In addition, it allows the user toprogram climate control system 1105 to be described to controllably coolor heat the trunk/storage to properly preserve the cargo. Moreover, itenables the user to instruct processor 103 to open (close) thetrunk/storage upon a shut-off (start-up) of the engine.

Depression of UNDER HOOD key 232 f releases the hood of the subjectvehicle. Through processor 103, various systems may communicate to thehood mechanism controlling the release of the hood. For example, whencertain fluid levels are detected low or components under the hood needrepair or replacement, upon the user's agreeing to take a certainremedial action, processor 103 causes the hood mechanism to release thehood in anticipation of such an action. In addition, each time when theengine is started and the vehicle is ready to,move, processor 103 checkswith the hood mechanism to ensure that the hood has not be accidentallyreleased.

Depression of USER'S VIEW key 292 g invokes the screen of FIG. 15.However, this screen is the default screen or “home” screen on display205. That is, it automatically comes on after the vehicle is started,even without depression of key 292 g. In accordance with the invention,the screen of FIG. 15 allows the user to control and manage certainbasic vehicle functions based on an intuitive approach, without the needof depressing any keys. To that end, subscreen 950 is used tographically depict the user's view of the vehicle. By way of example,displayed items 953 through 959 in subscreen 950 depict the vents,windshield wipers, instrument panel, audio system, rear-view mirror,seats and windows/doors in the vehicle, respectively. It should bepointed out that the relative positions of these displayed itemscorrespond to those of the depicted components in the actual vehicle.Knowing the relative positions of the components in the vehicle, theuser can easily identify-and point and click at selected items toefficiently control the corresponding components, and/or accessinformation concerning them.

Specifically, when one of items 953 depicting a vent is selected,processor 103 causes the screen of FIG. 16 (described below) to bedisplayed for the user to adjust the air condition. When one of items954 depicting a windshield wiper is selected, processor 103 causes thescreen of FIG. 14 (described before) to be displayed for the user toadjust the wiper function. When item 955 depicting the instrument panelis selected, processor 103 causes the readings of the speedometer,tachometer, odometer and engine coolant temperature to be displayed.When item 956 depicting the audio system is selected, processor 103causes the screen of FIG. 18 (described below) to be displayed for theuser to adjust the audio system. When item 957 depicting the rear-viewmirror is selected, processor 103 causes the screen of FIG. 13(described before) to be displayed for the user to adjust the rear-viewmirror and other mirrors. When one of items 958 depicting a seat isselected, processor 103 causes the screen of FIG. 16 to be displayed forthe user to adjust the seat. Finally, when one of items 959 depicting awindow/door is selected, processor 103 causes the screen of FIG. 13 tobe displayed for the user to control the window/door. In addition, menu961 including vehicle components which are not depicted is provided inthe screen of FIG. 15 for the user's selection. Any selected componentfrom the menu is highlighted to indicate its selection.

Accessory keys 219 relate to the functions provided by accessory controlsubsystem 143. Depression of SEATS key 219 a invokes the screen of FIG.16. By pointing and clicking at DRIVER selection 1005, processor 103causes display 205 to show the current configuration of the driver seat,denoted 1007. Similarly, by pointing and clicking at one of displayednumerals “2” through “4” next to the word “PASSENGER,” processor 103causes display 205 to show the current configuration of thecorresponding passenger seat.

The default configurations of the seats are defined by the personalpreference data initially provided by the user. Thus, upon a start-up ofsystem 100, processor 103 effects the default configurations. However,by pointing at indicators 1013 and 1015 and dragging same usingindicator device 217 or 219 (or using the touch-screen capability), theuser may accordingly adjust the height of the cushion and the incline ofthe back support of the seat, respectively. Nevertheless, for safetyreasons not all configurations of the driver-seat are allowed. The armrest, if any, can be similarly adjusted. The lumbar support and massagecapabilities and seat temperature can be selected as well. All of theabove seat adjustments may be saved in memory 107.

As shown in FIG. 17, subsystem 143 includes climate control system 1105for effecting the climate control of the vehicle. System 1105 mayutilize additional power resources such as solar or reserved batteriesto provide the necessary cooling/heating. Climate control system 1105includes capabilities of providing air-conditioning/heating local to thedriver and passengers, and also to the overall interior andtrunk/storage space. System 1105 also manages air flows in the vehicle,and cooperates with access control subsystem. 139 to achieve windowcontrols. In addition, system 1105 includes air sensors to detectpresence of contaminated and stale air. When such air is detected,system 1105 automatically vents it out before its spreading.Furthermore, processor 103 communicates to the user, through display205, alarms regarding presence of any hazardous gas or fume in the air,and to what extent it is consumed by the user. System 1105 may alsoinclude onboard filtration devices to purify contaminated air.

Depression of CLIMATE key 219 b also invokes the screen of FIG. 16. Ventindicators 1021, 1023, 1025, 1027, 1029 and 1031 indicate the locationsof respective vents in relation to the seats inside the vehicle, denoted1020. By pointing and clicking at one of the vent indicators, the usermay select the air temperature, and certain fan movement of thecorresponding vent.

The individual vent settings are stored in memory 107. Thus upon astart-up of the vehicle, processor 103 receives and analyzes signalsfrom various thermo-sensors in the vehicle. Based on such an analysis,processor 103 adjusts the temperatures and air movement of each ventaccording to the preferred settings.

Depression of MENU key 219 c provides various menus on display 205 forselection. Such menus enable the user to access other features andcapabilities of the vehicle which are not accessible by depressing anyother keys on interface 117. This stems from the physical limit as tothe number of keys used, without overwhelming the user. Thus, any itemswhich are not shown may be accessed by a selection of an appropriatemenu and/or further selections within the menu using the hot spottouch-screen capability, ENTER key 215 b, or indicator device 227 or229.

In addition, user preference selections may be presented by iconselection bars, hot keys, or function keys, or may be realized using aset-up screen. Moreover, where further information related to adisplayed option or item would be helpful, an icon or similar graphicalmeans identified as tips, warnings, etc. for accessing such informationis provided.

Depression of QUICK TIPS key 219 d enables the user to obtain answers tofrequently asked questions (FAQs) and multimedia (i.e., audio, text andvideo) information regarding different features (e.g., safety features)of the vehicle, and various systems and subsystems embodied therein. Asimilar QUICK TIPS arrangement is described in copending, commonlyassigned U.S. patent application Ser. No. 08/789,934 (“the '934application”), entitled “Multimedia Information and Control System forAutomobiles,” which is hereby incorporated by reference as if fully setforth herein.

In this illustrative embodiment, the QUICK TIPS text is written inwell-known hypertext markup language (HTML), and provides hyperlinks toowner's manual information, pictures, videos, captions, tips andwarnings relating to the subject being reviewed. In addition, VOICE key219 e to be described may be selected to have the text read to the user,along with its display. Moreover, the QUICK TIPS feature may beindicated on display screens in the form of a selectable icon or option.By selecting such an option, the user is provided with furtherinformation on the items appearing on the screen.

It should be noted at this point that the audio medium is an importantmedium for presenting information to the user especially when he/she isdriving and needs to keep his/her eyes on the road. As such; VOICE key219 e is provided to afford an option for voice presentation ofinstructions, displayed options, and description of various systems andfeatures of the vehicle.

It should also be noted that it is advantageous to have a sound librarystored in memory 107, from which the user is able to select favorabletones and sound clips to enhance the user's comprehension while he/sheis driving. For example, when a displayed option is touched by the useron screen 205, a pre-selected tone is generated through the audiooutput, indicating that the option has been selected. Relying on theaudio tone confirmation, as opposed to a visual confirmation, the userwhile driving can continually watch the road.

Depression of VISUAL key 219 f provides different system views, andvisual information including warnings, cautions, hazards, advisories,etc. It also provides a selection of display systems such as head-updisplay, projection, three-dimensional display, holographic and virtualreality systems which may be provided in the vehicle in combination withor in lieu of display system 205.

When coupled with SHIFT key 215 a, depression of visual key 219 fhowever activates video system 1107, which enables the user to play ondisplay 205 selected videos from a video library (e.g., a compact disk(CD) jukebox) connected to system 100, to receive TV programs, to recordand playback of pictures and video clips from such sources as video anddigital cameras, and to run video files on weather and trafficdownloaded from an external information source such as the Internet.

In this illustrative embodiment, the user is provided with analternative way of looking up information about the vehicle, which isarranged by topics in alphabetical order. Depression of INDEX key 219 genables the user to enter a keyword relating to the subject of inquiry.Such a keyword may be entered by pointing and clicking at theappropriate letter keys on a displayed keyboard. After matching thekeyword entry with one of the available topics, processor 103 causes theinformation concerning the topic to be presented in audio, video and/ortext. A similar INDEX arrangement is also described in the '934application.

Depression of LIGHTS key 219 h enables the user to program the intensityof individual interior lights depending on the ambient light condition,and the usage thereof such as the duration of the respective on-times.The preferred light settings are stored in memory 107.

Depression of AUDIO SYSTEM key 219 i invokes the screen of FIG. 18 ondisplay 205. In this instance, audio portion 1205 for controlling audiosystem 1109 shares the same screen with radio portion 1207 forcontrolling radio receiver 1111. With audio system 1109; the user isable to distribute selected audio signals to driver and passengerlocations. These signals are communicated, through processor 103, tosuch subsystems as headsets, earphones, directional speakers, etc.

As shown in FIG. 18, portion 1205 enables the user to set for eachdriver and passenger sound preferences. With the word “DRIVER” clickedon and highlighted, the user may use indicator device 227 or 229 topoint at indicator 1245 and move same to adjust the volume of the audiooutput, indicator 1247 to adjust the bass level, and indicator 1249 toadjust the treble level. In addition, the user may relocate speakerswith respect to the user location to obtain the optimum sound effects.For example, each speaker is placed on a track and can be driven by anactuator along the track to reposition it. The relocation of thespeakers can be achieved by pointing at indicators 1251, 1253, 1255 and1257 corresponding to the respective speakers, and dragging same to thedesired individual locations using indicator device 227 or 229.Accordingly, processor 103 causes the actuators to physically move thespeakers along the respective tracks to realize the desired arrangement.Portion 1205 also provides other options such as fader control, graphicpresentation of sound events, and saving of the preferred audiosettings.

Portion 1207 shows a listing of radio stations for selection. Inaccordance with an aspect of the invention, the frequencies of theselected stations are stored based on geographic locations such as LosAngeles, Santa Ana and Irvine. As is well known, the geographic coverageof each station is limited. As a user travels beyond the coverage, thebroadcast from that station becomes too weak to receive. As such,processor 103 continually causes a frequency scanner to update thelisted stations which are within the receiving range. The user may savea subset of the listed stations as his/her favorite stations accordingto the current vehicle location.

Advantageously, by saving certain favorite stations according to thelocations which the user visits often, when the user travels from onesuch location to another, he/she can instantly change the listing tocontain the corresponding favorite stations. As a result, the otherwise,cumbersome programming of the stations back and forth between thelocations is obviated.

In the preferred embodiment, the favorite radio station frequencies areactually stored according to the GPS coordinates of the locations shownon portion 1207. Navigation system 329 periodically communicates the GPScoordinates of the current vehicle location to processor 103. The lattercompares the communicated GPS coordinates with those of the locations inquestion. As soon as processor 103 determines that one such location isclose to the current vehicle location within a predetermined range,processor 103 causes the listing of favorite stations associated withthe new location to come on for selection.

In accordance with another aspect of the invention, for the user'sconvenience, the radio stations are categorized, and listed according toselected music types such as “country”, “rock” and “classic”, andselected program contents such as “talk/news”. To that end, in eachradio broadcast, the station transmits auxiliary data concerning itsidentity, e.g., an icon, signage and/or call number representing thestation, and the type of program it airs, e.g., the type of music. In FMstereo broadcast for instance, the auxiliary data may be transmittedusing subcarriers within a subsidiary communications authorization (SCA)band which lies above the 53 kHz portion of the station bandwidthallocated to the transmission of conventional stereo audio signals. Avariety of prior art techniques may be used to modulate thesesubcarriers to transmit the auxiliary data. In addition, in accordancewith the technique disclosed in U.S. Pat. No. 5,408,686 issued Apr. 18,1995 to Mankovitz, the stereo audio portion of the station broadcastband, rather than the SCA band, may also be used for transmission ofsuch auxiliary data.

The auxiliary data transmitted by each station is received by radioreceiver 1111 in the form of a digital message signal. By decoding sucha message signal, receiver 1111 recovers the aforementioned informationconcerning the station identity and the program type. Processor 103screens the stations for the program types pre-selected by the user. Thedesired stations are then shown on display 205 according to thepre-selected program types. Illustratively, the stations are representedby the respective icons or signage, and frequencies. The user may pointand click at (or touch on the screen) one of the icons representing thestation which he/she wants to listen.

In this instance, the user has selected and is listening to one of thestations denoted 1271, whose icon is highlighted in a first color. Inaccordance with another aspect of the invention, the previously selectedstations, such as stations 1273, 1275 and 1277 are highlighted in asecond color. Advantageously, with the color highlighting, the user canreadily back-track the previously selected stations and settle on one ofthem, or explore new, unheard stations.

It should be noted that from the screen of FIG. 18, the user may alsoaccess other entertainment systems such as cassette, CD, VCR and TVsystems, and the weather band and other functions.

It should also be noted that the above selection of the displayedstations may be accomplished by voice command or depressing presetbuttons. In addition, with the proper authorization, more than one usercan save his/her preferred listing of stations, along with special notesabout each station. In that case, when one wants to change the currentlisting of stations, he/she needs to enter a PIN before his/herpreferred listing can be invoked. Moreover, the authorized user may alsobe privy to other users' preferred listings, and allowed to choosetherefrom.

Depression of ANIMATION key 219 j enables the user to view on display205 animations relating to selected vehicle functions (e.g., automaticparking) which are being or to be performed. These animations areinstructional, and help the user implement the functions in questionand/or understand the effects thereof.

Like key 211 l previously described, key 219 k is reserved for futureuse in this instance.

Depression of ONLINE key 219 l enables the user to access on-linesystems through such communication links as telephone, wireless,cellular, satellite, radio spectrum, infrared and sonar connections. Forexample, while the vehicle is being operated, the user may choose toaccess the vehicle manufacturer's computer to run extensive diagnostictests on the vehicle on-line. To that end, processor 103 establishes acommunication link with the manufacturer computer. After an initialhandshake between processor 103 and the manufacturer computer, thelatter runs diagnostic routines on the vehicle systems through processor103, and elicits from processor 103 information such as relevantoperational parameters. Test results are generated by the manufacturercomputer and transmitted to processor 103 for display. In addition, themanufacturer computer can correct or adjust any operational parametervalues during the tests to improve the vehicle's performance. Similarly,any software upgrade or downloading for the vehicle systems can berealized through the on-line connection. Notices of recalls can also betransmitted to processor 103 for the user's information.

Depression of PHONE/MODEM key 219 m allows the user to obtain mobilephone, facsimile modem and data modem connections through cellular andwireless networks.

Depression of PLANNERS/CALENDAR key 219 n invokes reminder routines forinforming the user of past and upcoming events. For example, certainmaintenance reminders may be communicated by the aforementionedmanufacturer computer to processor 103 through an on-line connection.Instructed by one of the reminder routines, processor 103 accessessystems such as navigation system 329 to identify the closest mechanicwhen the scheduled maintenance is due.

Referring back to FIG. 1, turn signal subsystem 147 in accordance withthe invention not only provides the traditional function of activatingturn signals in response to the user's initiation, but also causesfurnishing of intelligence information on an impending turn. Onceprocessor 103 is interrupted by subsystem 147 and notified of theimpending turn into a particular direction, processor 103 causesdetection subsystem 130 to sense any obstacles or moving objects in thestreet to which the vehicle is turning. Processor 103 then causesdisplay 205 to display such obstacles and moving objects which may behidden from the user's view, along with verbal and visual warnings ofany foreseeable hazards. Thus, with such an assisted turning feature,the risk of an accident occurring during a turn is substantiallyreduced. Furthermore, in automatic driving, processor 103 orchestratesthe actions of steering subsystem 132, brake subsystem 125 andelectronic transmission/ throttle system 325 to make a calculated movearound an obstacle, or simply stops the vehicle at the turn to avoid anycollision.

Speedometer subsystem 149 includes an accelerometer for evaluating theinstantaneous speed of the vehicle. The speed information iscommunicated by subsystem 149 to processor 103 for use in navigation,automatic driving, automatic parking, etc. The speed information mayalso be stored with time and GPS information, and recorded in memory 107or the aforementioned “black box”. The memory content may be remotelyaccessed by a police authority, via a dial-up connection, to determineany speed violation, along with the associated time, and geographiclocation based on the GPS information.

Safety subsystem 151 includes restraint devices and air-bags. Inaccordance with yet another aspect of the invention, subsystem 151 keepstrack of the air-bag deployment and expiration dates. Advance air-bagexpiration and recharge notifications are transmitted to processor 103.Also transmitted to processor 103 are data collected by subsystem 151concerning usage of safety devices, tire and brake wear, etc., and dataon intervals of maintenance performed on and long term durability ofthose components. All such safety information received by processor 103can be accessed and displayed at the user's request. In addition, tipsand support for the user's safety in response to certain vehiclemalfunctions, failures or eminent dangers are issued by safety subsystem151 via display 205.

Through processor 103, subsystem 151 cooperates with other systems insystem 100 in certain events. For example, in an accident, as soon assubsystem 151 informs processor 103 of a deployment of an air-bag,processor 103 signals engine control system 319 to halt the engineactivity, brake subsystem 125 to apply emergency braking, and suspensionsubsystem 129 to stabilize the vehicle. Processor 103 may furtherrequest from navigation system 329 GPS coordinates identifying theaccident scene, and cause the audiovisual recording facilities in thevehicle to audio- and video-tape the accident scene, and emergency datato be transmitted to the authority to obtain help as described before.

Clock subsystem 154 provides time and date information. Relying on suchinformation, processor 103 duly synchronizes system activities and keepstrack of events. For example, utilizing the temporal information,processor 103 issues the above-described reminders and notifications ina timely manner. Similarly, the above-described planner functions suchas scheduling maintenance are made-possible with such information

Suspension subsystem 129 provides, as mentioned before, wheel andstability control during the vehicle operation. In addition, subsystem129 includes sensors for evaluating the current road condition, andadjusts the ride and comfort using yaw controls and dampeners inresponse to the evaluated condition. It also provides processor 103 withcontinuous updates about the road condition. Utilizing such updates,processor 103 coordinates the actions of other systems such as steeringand brake subsystems to handle the road in a manner prescribed by theuser.

Wheel subsystem 157 includes sensors for reading tire pressures,detection of loss of tire traction or tread, etc. Relevant informationis communicated by subsystem 157 to processor 103 to issue necessaryalarms including abnormally low tire pressures. Processor 103 alsoincorporates the received information in a concerted effort, to achieveride stability and smoothness.

Application module 161 which may be located close to master controlinterface 117 includes a standard interface such as an RS232 serialinterface. Through this interface, the user or service personnel may usea conventional computer to update system programs and personalpreference data stored in memory 107, or run diagnostic routines thereonto identify any system problems.

In an alternative embodiment, the standard interface in module 161,similar to interface 703, accepts IC card 600 previously described. Inaddition to the aforementioned security data and personal preferencedata, space is allocated in card memory 603 for storing system programs,diagnostic routines and header information. Such header informationincludes instructions for processing of certain contents of memory 603.

Utilizing a conventional IC card writer connected to a standard computerwhich may be remote from the vehicle, the user or authorized servicepersonnel can revise the security data and personal preference data inmemory 603, and load new programs, program upgrades and/or diagnosticroutines onto the IC card. It should be noted that any change in thecard memory content requires an initial entry of the aforementionedmaster key, or other authorized keys allowing limited access. The ICcard may be inserted into the standard interface of application module161 when system 100 is powered down. On power up, after system 100 isinitialized, processor 103 checks the security data in memory 603. Uponverification of the security data, processor 103 reads the headerinformation in memory 603, and accordingly causes a transfer of any newsystem programs from memory 603 to memory 107 and any upgrade to theexisting programs. In addition, in the presence of any diagnosticroutines in memory 603, processor 103 runs the routines directly off theIC card. Processor 103 then reads the personal preference data in memory603 to effect the preferred settings of the vehicle functions.

The foregoing merely illustrates the principles of the invention. Itwill thus be appreciated that those skilled in the art will be able todevise numerous other systems which embody the principles of theinvention and are thus within its spirit and scope.

For example, in the disclosed embodiment, control and management system100 is illustratively used in an automobile. It will be appreciated thata person skilled in the art may also employ the inventive system inanother type of vehicle such as a boat, an airplane, etc.

Finally, although control and management system 100, as disclosed, isembodied in the form of various discrete functional blocks, the systemcould equally well be embodied in an arrangement in which the functionsof any one or more of those blocks or indeed, all of the functionsthereof, are realized, for example, by one or more appropriatelyprogrammed processors or devices.

I claim:
 1. A method for use in a system in a vehicle, the systemincluding a display element, the method comprising: providing at leastone indicator on the display element; allowing a manipulation of theindicator on the display element to define a distance between thevehicle and a detectable object outside the vehicle, the defineddistance being indicated on the display element, the manipulation of theindicator being restricted from defining the distance to be smaller thana reference distance, the reference distance being indicated on thedisplay element and a function of a current speed of the vehiclerelative to the detectable object; determining whether a separationbetween the vehicle and a detectable object outside the vehicle ismaintained at least the defined distance; and providing an alert when itis determined that the separation of at least the defined distance isnot maintained.
 2. The method of claim 1 wherein the defined distance ismeasured from the front of the vehicle.
 3. The method of claim 1 whereinthe defined distance is measured from the back of the vehicle.
 4. Themethod of claim 1 wherein the defined distance is measured from a sideof the vehicle.
 5. The method of claim 1 wherein the detectable objectincludes a second vehicle.
 6. The method of claim 1 wherein the vehicleis in motion.
 7. A system for use in a vehicle comprising: a displayelement, at least one indicator being provided on the display element;an interface for manipulating the indicator on the display element todefine a distance between the vehicle and a detectable object outsidethe vehicle, the defined distance being indicated on the displayelement, a manipulation of the indicator being restricted from definingthe distance to be smaller than a reference distance, the referencedistance being indicated on the display element and a function of acurrent speed of the vehicle relative to the detectable object; aprocessor for determining whether a separation between the vehicle and adetectable object outside the vehicle is maintained at at least thedefined distance; and an output device for providing an alert when it isdetermined that the separation of at least the defined distance is notmaintained.
 8. The system of claim 7 wherein the defined distance ismeasured from the front of the vehicle.
 9. The system of claim 7 whereinthe defined distance is measured from the back of the vehicle.
 10. Thesystem of claim 7 wherein the defined distance is measured from a sideof the vehicle.
 11. The system of claim 7 wherein the detectable objectincludes a second vehicle.
 12. The system of claim 7 wherein the vehicleis in motion.